Palettes / Colors / #333389

#333389 — Muted Blue

#333389 is a blue color we call Muted Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

#333389 is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #8A8A33; it also sits naturally between #335E8A and #5E338A. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 20% · Green 20% · Blue 54%

Cyan 63% · Magenta 63% · Yellow 0% · Key 46%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #333389

.text { color: #333389; }
.background { background-color: #333389; }
.border { border: 3px solid #333389; }
.text-rgb { color: rgb(51, 51, 137); }
.text-hsl { color: hsl(240, 46%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #333389; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 51, 137, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #333389; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 51, 137, 0.8); }

HTML: <p style="color:#333389">Text here</p> · <div style="background-color:#333389">Div content here</div>

Shades of #333389

Tints of #333389

Tones of #333389

Color harmonies

Complementary — #8A8A33:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #333389: #FFFFFF.

How #333389 looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #333389 rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #333388  ·  #33338A →

Frequently asked questions

What color is #333389?

#333389 is Muted Blue, a blue color (RGB 51, 51, 137). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #333389?

#333389 is RGB 51, 51, 137 — HSL 240°, 46%, 37% — CMYK 63%, 63%, 0%, 46%.

What colors go with #333389?

Its complement is #8A8A33; analogous partners are #335E8A and #5E338A. It also appears in 6+ palettes in our collection.

Can I use #333389 for text?

White text on #333389 has a contrast ratio of 10.63:1 (passes WCAG AA); black text gives 1.98:1.